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  • DIVER
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KNOWING YOUR CALLIBER SERIAL NUMBER

Please check the caliber number by referring to the model number of your watch or the case code on the watch's case back to identify the movement caliber number. If you do not know how to identify your movement caliber number, we have two methods to find it as below.



Search Method 1
Searching the movement caliber number by 10-digit model number If you can find the 10-digit model number on the product tag or guarantee supplied with your watch, for example "SDH00001B0", "FDM00001WL", you can identify the movement caliber number.

Search Method 2
Searching the movement caliber number by the case code If you can not find out the above 10-digit model number, please refer to the markings on the case back of your watch.





The place of case code may vary and its letter size may be small and difficult to see depending on the characteristics of watches.

The pictures and illustrations may differ from the actual appearance of your watch but the function and operation procedures are the same.